CN219552318U - Coal object calorific capacity detection device - Google Patents

Abstract

The utility model provides a device for detecting the heating value of a coal object, which belongs to the technical field of detection of the heating value of the coal object and comprises a heating value detection mechanism, wherein the heating value detection mechanism comprises an outer shell and a cover body, a placing groove is formed in the upper side of the outer shell, the cover body is positioned at the opening position of the upper edge of the placing groove, an inner cylinder is arranged in the placing groove, a multi-point detection assembly is arranged in an inner cavity of the inner cylinder and comprises a motor, a limiting disc and a tray, a plurality of ejector rods are arranged on the upper surface of the tray in an equidistant surrounding manner, and a temperature measuring probe is arranged at the upper end of each ejector rod.

Description

Coal object calorific capacity detection device

Technical Field

The utility model mainly relates to the technical field of coal quality heating value detection, in particular to a device for detecting the heating value of a coal quality object.

Background

The coal quality is the quality of coal, refers to the physical and chemical characteristics and applicability of coal, and the main indexes of the coal include ash content, moisture, sulfur content, heating value, volatile matters, lump coal limit rate, gangue content, coking property, cohesiveness and the like.

The main procedures comprise coal sampling, shrinkage, crushing, sample preparation and coal assay, and the main detection items comprise measurement of related items such as total sulfur, calorific value, moisture (total moisture and analysis water), ash, volatile matters, fixed carbon, hydrogen, ash meltability, slag carbon content, coking coal, petroleum coke, molded coal and the like.

The method for measuring the coal quality object is to take a certain mass of coal sample and put it into an oxygen bomb cylinder, and to charge excess oxygen into the oxygen bomb cylinder, the oxygen bomb cylinder is put into an inner cylinder containing a certain amount of water, the coal sample is burnt by electrifying and igniting, the heat is absorbed by a calorimetric system, the water temperature in the calorimetric system is measured, the calorific value of the coal is calculated, the water temperatures in different areas in the inner cylinder are different to a certain extent, in the present coal quality object calorific value detection device, only one temperature measuring probe is generally installed for measurement, the precision is not enough, so in order to improve the precision, the staff needs to measure for many times to improve the accuracy of calorific value detection, the efficiency is lower, and the method is more complicated.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly mainly provides a device for detecting the heating value of a coal object, which is used for solving the technical problems that in the prior device for detecting the heating value of the coal object, which is proposed in the prior art, measurement is generally carried out only through one temperature measuring probe, the measurement is inaccurate, and a worker needs to carry out multiple measurements to improve the precision and the efficiency of the detection of the heating value.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a coal quality article calorific capacity detection device, includes calorific capacity detection mechanism, calorific capacity detection mechanism includes shell body and lid, the shell body upside is provided with the standing groove, and the lid is located the open position of standing groove upper edge, just be provided with the inner tube in the standing groove, be provided with the multiple spot position detection subassembly in the inner chamber of inner tube, the multiple spot position detection subassembly includes motor, spacing dish and tray, the equidistant surrounding of tray upper surface is provided with a plurality of ejector pin, every the upper end of ejector pin all sets up with temperature probe.

Further, the limiting plate is movably connected with a movable sleeve, sliding grooves are formed in two sides of the outer wall of the movable sleeve, each sliding groove is provided with a protruding block in a sliding connection mode, the two protruding blocks are arranged on the inner wall of a round hole in the position of the center of the limiting plate, and the upper end of the outer wall of the movable sleeve is connected with the center position of the lower surface of the tray.

Further, the output end of the motor is provided with a threaded column, the threaded column is meshed with threads on the inner wall of the movable sleeve, and the motor is located at the center of the bottom of the inner cavity of the inner cylinder.

Further, an oxygen bomb tube is arranged on the lower side of the cover body, and one side of the oxygen bomb tube is communicated with an igniter through a pipeline.

Further, a display screen and a function button plate are arranged at the concave position of the upper surface of the outer wall of the outer shell.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the arranged outer shell, the placing groove, the cover body, the inner cylinder, the motor, the limiting disc, the tray, the ejector rod and the temperature measuring probe, in the detection process of the heating value of the coal object, a plurality of different areas can be detected at the same time, the measurement error of a traditional single area is reduced, the detection accuracy and the detection efficiency are improved, multiple times of measurement are not needed, and the meshing degree is changed through the mutual matching between the movable sleeve and the threaded column, so that the height of each temperature measuring probe can be changed at the same time during detection, the detection accuracy of the heating value is further improved, and the device has a simple structure and convenient operation and a certain practical value.

The utility model will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic diagram of the overall frontal structure of the present utility model;

FIG. 2 is a schematic view of the overall rear structure of the present utility model;

FIG. 3 is a schematic diagram of an exploded construction of the present utility model;

FIG. 4 is a schematic view of the inner structure of the inner cylinder of the present utility model;

fig. 5 is an enlarged schematic view of the area in fig. 4A.

In the figure: 1. a heat generation amount detection means; 11. an outer housing; 111. a placement groove; 12. a cover body; 13. an inner cylinder; 14. an oxygen bomb barrel; 15. an igniter; 2. a multi-point location detection component; 21. a motor; 22. a limiting disc; 221. a bump; 23. a tray; 24. a push rod; 25. a temperature measurement probe; 26. moving the sleeve; 261. a chute; 27. a threaded column; 3. a display screen; 4. a function button plate.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this utility model belongs, and the knowledge of terms used in the description of this utility model herein for the purpose of describing particular embodiments is not intended to limit the utility model, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-5, a device for detecting the heat productivity of coal objects includes a heat productivity detecting mechanism 1, the heat productivity detecting mechanism 1 includes an outer shell 11 and a cover 12, a placing groove 111 is provided on the upper side of the outer shell 11, the cover 12 is located at an opening position of the upper edge of the placing groove 111, an inner cylinder 13 is provided in the placing groove 111, a multi-point detecting assembly 2 is provided in an inner cavity of the inner cylinder 13, the multi-point detecting assembly 2 includes a motor 21, a limiting disc 22 and a tray 23, the limiting disc 22 is fixed on an inner wall of the inner cylinder 13, a plurality of push rods 24 are provided on the upper surface of the tray 23 at equal intervals in a surrounding manner, and a temperature measuring probe 25 (model: LC-P202) is provided on the upper end of each push rod 24.

The structure realizes that a plurality of different areas can be detected simultaneously in the detection process of the heating value of the coal object through the multi-point detection assembly 2, reduces the measurement error of the traditional single area, improves the detection accuracy and the detection efficiency, does not need repeated measurement, has a simple structure, is convenient to operate and has a certain practical value;

the method comprises the following specific operations that firstly, a certain mass of coal sample is put into a reaction vessel in an oxygen bomb 14, then excessive oxygen is filled into the oxygen bomb 14, then the oxygen bomb 14 is placed in an inner cylinder 13 containing a certain amount of water, a cover body 12 is closed, then coal objects are burnt through an igniter 15, heat is released and absorbed by a calorimetric system, the water temperature in the calorimetric system is measured to rise, then a motor 21 is started, then the motor 21 drives a threaded column 27 to rotate, then the threaded column 27 is driven by a limiting disc 22, so that a movable sleeve 26 can stably move up and down, and then the height of each temperature measuring probe 25 is adjusted through a tray 23 and an ejector rod 24, so that simultaneous detection of a plurality of different areas is realized.

Referring to fig. 2 and 3, an oxygen bomb 14 is disposed at the lower side of the cover 12, and an igniter 15 is connected to one side of the oxygen bomb 14 through a pipe, so that a reaction space and reaction conditions are provided for the combustion of coal objects through the mutual cooperation between the oxygen bomb 14 and the igniter 15, and a display screen 3 and a functional button plate 4 are disposed at the concave position of the upper surface of the outer wall of the outer casing 11.

Referring to fig. 4 and fig. 5, the limiting plate 22 is movably connected with a moving sleeve 26, both sides of the outer wall of the moving sleeve 26 are respectively provided with a sliding groove 261, each sliding groove 261 is respectively and slidably connected with a protruding block 221, two protruding blocks 221 are respectively arranged on the inner wall of a circular hole at the center position of the limiting plate 22, the upper end of the outer wall of the moving sleeve 26 is connected with the center position of the lower surface of the tray 23, the output end of the motor 21 is provided with a threaded column 27, the threaded columns 27 are mutually meshed with threads on the inner wall of the moving sleeve 26, the motor 21 is positioned at the center position of the bottom of the inner cavity of the inner cylinder 13, and the moving sleeve 26 can move up and down linearly under the constraint of the limiting plate 22 through the mutual cooperation between the moving sleeve 26 and the threaded columns 27.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims (5)

1. The utility model provides a coal quality article calorific capacity detection device, includes calorific capacity detection mechanism (1), calorific capacity detection mechanism (1) includes shell body (11) and lid (12), shell body (11) upside is provided with standing groove (111), and lid (12) are located the open position of standing groove (111) upper edge, just be provided with inner tube (13) in standing groove (111), a serial communication port, be provided with multiposition detection assembly (2) in the inner chamber of inner tube (13), multiposition detection assembly (2) include motor (21), spacing dish (22) and tray (23), equidistant surrounding of tray (23) upper surface is provided with a plurality of ejector pin (24), every the upper end of ejector pin (24) all sets up with temperature measurement probe (25).

2. The device for detecting the heating value of the coal object according to claim 1, wherein the limiting disc (22) is movably connected with a moving sleeve (26), sliding grooves (261) are formed in two sides of the outer wall of the moving sleeve (26), each sliding groove (261) is slidably connected with a protruding block (221), the two protruding blocks (221) are arranged on the inner wall of a circular hole in the circle center position of the limiting disc (22), and the upper end of the outer wall of the moving sleeve (26) is connected with the center position of the lower surface of the tray (23).

3. The device for detecting the heating value of the coal object according to claim 1, wherein a threaded column (27) is arranged at the output end of the motor (21), threads on the inner wall of the threaded column (27) and threads on the inner wall of the movable sleeve (26) are meshed with each other, and the motor (21) is located at the center of the bottom of the inner cavity of the inner cylinder (13).

4. The device for detecting the heating value of the coal-based article according to claim 1, wherein an oxygen bomb tube (14) is arranged on the lower side of the cover body (12), and an igniter (15) is communicated with one side of the oxygen bomb tube (14) through a pipeline.

5. The device for detecting the heating value of the coal-based article according to claim 1, wherein a display screen (3) and a function button plate (4) are arranged at a concave position of the upper surface of the outer wall of the outer shell (11).